How to Remove Your Shoes to Win Chess

"I think there's this thing that people will naturally go for the easiest solution in pretty much anything," he says. "And if the solution is removing your shoes, then that's not the worst thing." He asks: How sophisticated can you get without it being incredibly invasive or intrusive or unpleasant for chess players? 'What do we do now that we're not 100% sure anymore?' I mean, what happens if Hans becomes the world champion? Right?